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4
RESULTS

Media Type
4
texts
Availability
4
Always Available
Year
1
1930
2
1906
1
1892
Topics & Subjects
4
Cipher and telegraph codes -- Railroads.
12
Cipher and telegraph codes.
2
Cipher and telegraph codes -- Cotton trade.
1
Ciphers -- Handbooks, manuals, etc. Cryptography -- United States. World War, 1914-1918 -- Cryptography.
1
Telegraph -- Codes.
Collection
Creator
2
american railway association
1
railway express agency, inc.
1
sheahan, w. a.
Language
4
English
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